Modbus/KMP TCP/IP module - Comptech Kft. · The Modbus/KMP TCP/IP module is designed with focus on...

Modbus/KMP TCP/IP module Communication module for MULTICAL® 603

• Ethernet 10/100base t

• Modbus TCP or KMP communication

• IP assigned via DHCP or fixed IP

• Modbus TCP complies with “Modbus Messaging on TCP/IP Implementation Guide V1.0b”

Data sheet

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Modbus/KMP TCP/IP module for MULTICAL® 603

Contents

Introduction 2

Applications 2

Installation 3

Cable connections 3

Communication from module 4

Modbus datagrams 5

Technical specifications 12

Markings/approvals 12

Additional documentation 12

Ordering 13

Configuration 13

Additional configurations 13

Displayed information 14

Introduction

A high performance TCP/IP module developed for the MULTICAL® energy meter. The module supports two communication protocols, the Modbus TCP protocol and the KMP (Kamstrup Meter Protocol). Modbus TCP enables MULTICAL® to be integrated into a building automation system or to be part of industrial applications. The KMP enables remote reading of actual data, logged values and configuration parameters.

Applications

The Modbus/KMP TCP/IP module is designed with focus on high flexibility to fulfill any applications for monitoring, control and data analysis. The Modbus TCP protocol facilitates various formatting of meter data to cope with various reading equipment. The fast exchange of meter data makes the Modbus TCP module particularly suitable for monitoring and control tasks.

AlarmsThe MULTICAL® info codes for general alarm, flow error, temperature error, water leakage, very high flow, air in the system and wrong flow direction are available to the Modbus system.

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Applications

Control and regulationData can be read out in few seconds intervals at a very high speed, whereby the data can be used for control and regulation purposes.

Installation

The module is easily mounted into one of the module slots of the meter. A configuration might be necessary if a specific IP/port address is required. Selection of the module protocol and TCP/IP properties can be done with METERTOOL HCW through the optical eye on MULTICAL® or through the 10-pole connector on the module.

The module is power-supplied from the meter’s internal 230 VAC or 24 VAC High-Power supply module.

Cable connections

Wire sizeMax cable size 1.5 mm²

Ethernet connections

Green

Green/White

Orange

Orange/White

Pulse input connection

Terminal 65: Pulse input A/In-A (+)

Terminal 66: Pulse input A/In-A (-)

Terminal 67: Pulse input B/In-B (+)

Terminal 68: Pulse input B/In-B (-)

Pulse inputs The pulse inputs are used to collect and accumulate pulses remotely, e.g. from water meters and electricity meters. The pulse inputs are physically placed on the Modbus module. However, the accumulation and data logging of values are made by the MULTICAL® calculator.

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Communication from module

ProtocolModbus TCP is a standard for exchange of messages between equipment.

KMP is short for Kamstrup Meter Protokol. The KMP is developed by Kamstrup, and tools and documentation can be requested by relevant utilities and companies.

Network optionsThe module supports both DHCP and Static IP assignment. When set for Static IP assignment, the following parameters must be entered: IP address, Subnet mask and Default gateway.

HostnameThe module’s IP address can be found by pinging its hostname. The hostname is “kammet” followed by the serial number of the meter. To find the IP address of the meter with serial number 80002051, you must send a ping request to “kammet80002051”.

Port addressesBy default, Modbus TCP connections use port 502. The KMP TCP connection uses port 1025 by default.

ConnectionsModbus TCP allows up to 4 simultaneous connections. KMP allows only 1 connection at a time.

Supported Modbus function codesThe module supports a subset of Modbus function codes for reading and writing. Generally, function codes and addresses are written in hexadecimal format shown by the prefix 0x.

Supported function codes and their possible exception codes:

• 0x03 Read Holding Registers with exception codes:

• 0x02 – Illegal data address

• 0x03 – Illegal data value

• 0x04 Read Input Registers with exception codes:

• 0x02 – Illegal data address


• 0x2B Encapsulated interface transport with exception code:

• 0x01 – Illegal function

• Subcode 0x0E Read Device Identification with exception code:


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Modbus datagrams

The module supports the most common registers used for heating and cooling applications.

Default datagramFlow V1 actual Info codeFlow V2 actual Operating hoursActual Power Error hour countert1 actual Date (yy.mm.dd)t2 actual Time (hh.mm.ss)t3 actual Config No. 1t4 actual Config No. 2t1-t2 diff. temp. Config No. 3P1 actual Config No. 4P2 actual Customer No. 2Heat energy E1 Customer No. 1Heat energy E2 Serial No.Cooling energy E3 Meter type incl. SW editionInlet energy E4 Meter Main/SubtypeOutlet energy E5 Meter SW revisionTap water energy E6Tap water energy E7Energy E8Energy E9Energy E10 Energy E11Tariff TA2Tariff TA3Tariff TA4Heat energy A1Heat energy A2Volume V1Volume V2Pulse input A1Pulse input B1Pulse input A2Pulse input B2COPt5 limitPower Input B1QP average timeTariff limit TL2Tariff limit TL3Tariff limit TL4Mass M1Mass M2

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Modbus register mapping

The following table shows how the MULTICAL® internal data is mapped into Modbus registers. Most values can be read at two different addresses, either as IEEE Float or as 32-bit signed integers. All registers used for units and factors are 16-bit values, all others are 32-bit Float or integer values.

Reading of data is done either by using Modbus function code 0x03 “Read Registers” or function code 0x04 “Read Inputs”.

Modbus register

Address (hex) Description No. of registers

Contents Data type

1 0000 Flow V1 actual 2 Value 32-bit IEEE Float

3 0002 Flow V2 actual 2 Value 32-bit IEEE Float

5 0004 Actual Power 2 Value 32-bit IEEE Float

7 0006 t1 actual 2 Value 32-bit IEEE Float

9 0008 t2 actual 2 Value 32-bit IEEE Float

11 000A t3 actual 2 Value 32-bit IEEE Float

13 000C t4 actual 2 Value 32-bit IEEE Float

15 000E t1-t2 diff. temp. 2 Value 32-bit IEEE Float

17 0010 P1 actual 2 Value 32-bit IEEE Float

19 0012 P2 actual 2 Value 32-bit IEEE Float

21 0014 Heat energy E1 2 Value 32-bit IEEE Float

23 0016 Heat energy E2 2 Value 32-bit IEEE Float

25 0018 Cooling energy E3 2 Value 32-bit IEEE Float

27 001A Inlet energy E4 2 Value 32-bit IEEE Float

29 001C Outlet energy E5 2 Value 32-bit IEEE Float

31 001E Tap water energy E6 2 Value 32-bit IEEE Float

33 0020 Tap water energy E7 2 Value 32-bit IEEE Float

35 0022 Energy E8 2 Value 32-bit IEEE Float




43 002A Tariff TA2 2 Value 32-bit IEEE Float

45 002C Tariff TA3 2 Value 32-bit IEEE Float

47 002E Tariff TA4 2 Value 32-bit IEEE Float

49 0030 Heat energy A1 2 Value 32-bit IEEE Float

51 0032 Heat energy A2 2 Value 32-bit IEEE Float

53 0034 Volume V1 2 Value 32-bit IEEE Float

55 0036 Volume V2 2 Value 32-bit IEEE Float

57 0038 Pulse input A1 2 Value 32-bit IEEE Float

59 003A Pulse input B1 2 Value 32-bit IEEE Float

61 003C Pulse input A2 2 Value 32-bit IEEE Float

63 003E Pulse input B2 2 Value 32-bit IEEE Float

65 0040 COP 2 Value 32-bit IEEE Float

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Modbus register


Contents Data type

67 0042 t5 limit 2 Value 32-bit IEEE Float

69 0044 Power Input B1 2 Value 32-bit IEEE Float

71 0046 QP average time 2 Value 32-bit IEEE Float

73 0048 Tariff limit TL2 2 Value 32-bit IEEE Float

75 004A Tariff limit TL3 2 Value 32-bit IEEE Float

77 004C Tariff limit TL4 2 Value 32-bit IEEE Float

79 004E Mass M1 2 Value 32-bit IEEE Float

81 0050 Mass M2 2 Value 32-bit IEEE Float

83 0052 Flow V1 actual 1 Unit 16-bit Unsigned Integer

84 0053 Flow V2 actual 1 Unit 16-bit Unsigned Integer

85 0054 Actual Power 1 Unit 16-bit Unsigned Integer

86 0055 t1 actual 1 Unit 16-bit Unsigned Integer




90 0059 t1-t2 diff. temp. 1 Unit 16-bit Unsigned Integer

91 005A P1 actual 1 Unit 16-bit Unsigned Integer

92 005B P2 actual 1 Unit 16-bit Unsigned Integer

93 005C Heat energy E1 1 Unit 16-bit Unsigned Integer

94 005D Heat energy E2 1 Unit 16-bit Unsigned Integer

95 005E Cooling energy E3 1 Unit 16-bit Unsigned Integer

96 005F Inlet energy E4 1 Unit 16-bit Unsigned Integer

97 0060 Outlet energy E5 1 Unit 16-bit Unsigned Integer

98 0061 Tap water energy E6 1 Unit 16-bit Unsigned Integer

99 0062 Tap water energy E7 1 Unit 16-bit Unsigned Integer

100 0063 Energy E8 1 Unit 16-bit Unsigned Integer




104 0067 Tariff TA2 1 Unit 16-bit Unsigned Integer



107 006A Heat energy A1 1 Unit 16-bit Unsigned Integer

108 006B Heat energy A2 1 Unit 16-bit Unsigned Integer

109 006C Volume V1 1 Unit 16-bit Unsigned Integer

110 006D Volume V2 1 Unit 16-bit Unsigned Integer

111 006E Pulse input A1 1 Unit 16-bit Unsigned Integer

112 006F Pulse input B1 1 Unit 16-bit Unsigned Integer


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Modbus register


Contents Data type

113 0070 Pulse input A2 1 Unit 16-bit Unsigned Integer

114 0071 Pulse input B2 1 Unit 16-bit Unsigned Integer

115 0072 COP 1 Unit 16-bit Unsigned Integer

116 0073 t5 limit 1 Unit 16-bit Unsigned Integer

117 0074 Power Input B1 1 Unit 16-bit Unsigned Integer

118 0075 QP average time 1 Unit 16-bit Unsigned Integer

119 0076 Tariff limit TL2 1 Unit 16-bit Unsigned Integer



122 0079 Mass M1 1 Unit 16-bit Unsigned Integer

123 007A Mass M2 1 Unit 16-bit Unsigned Integer

124 007B Info code 2 Value 32-bit Unsigned Integer

126 007D Operating hours 2 Value 32-bit Unsigned Integer

128 007F Error hour counter 2 Value 32-bit Unsigned Integer

130 0081 Date (yy.mm.dd) 2 Value 32-bit Unsigned Integer

132 0083 Time (hh.mm.ss) 2 Value 32-bit Unsigned Integer

134 0085 Config No. 1 2 Value 32-bit Unsigned Integer



140 008B Config No. 4 2 Value 32-bit Unsigned Integer

142 008D Customer No. 2 2 Value 32-bit Unsigned Integer

144 008F Customer No. 1 2 Value 32-bit Unsigned Integer

146 0091 Serial No. 2 Value 32-bit Unsigned Integer

148 0093 Meter type incl. SW edition 2 Value 32-bit Unsigned Integer

150 0095 Meter Main/Sub type 2 Value 32-bit Unsigned Integer

152 0097 Meter SW revision 2 Value 32-bit Unsigned Integer

154 0099 Flow V1 actual 2 Value 32-bit Signed Integer

156 009B Flow V2 actual 2 Value 32-bit Signed Integer

158 009D Actual Power 2 Value 32-bit Signed Integer

160 009F t1 actual 2 Value 32-bit Signed Integer

162 00A1 t2 actual 2 Value 32-bit Signed Integer



168 00A7 t1-t2 diff. temp. 2 Value 32-bit Signed Integer

170 00A9 P1 actual 2 Value 32-bit Signed Integer

172 00AB P2 actual 2 Value 32-bit Signed Integer

174 00AD Heat energy E1 2 Value 32-bit Signed Integer

176 00AF Heat energy E2 2 Value 32-bit Signed Integer

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Modbus register


Contents Data type

178 00B1 Cooling energy E3 2 Value 32-bit Signed Integer

180 00B3 Inlet energy E4 2 Value 32-bit Signed Integer

182 00B5 Outlet energy E5 2 Value 32-bit Signed Integer

184 00B7 Tap water energy E6 2 Value 32-bit Signed Integer

186 00B9 Tap water energy E7 2 Value 32-bit Signed Integer

188 00BB Energy E8 2 Value 32-bit Signed Integer

190 00BD Energy E9 2 Value 32-bit Signed Integer

192 00BF Energy E10 2 Value 32-bit Signed Integer

194 00C1 Energy E11 2 Value 32-bit Signed Integer

196 00C3 Tariff TA2 2 Value 32-bit Signed Integer



202 00C9 Heat energy A1 2 Value 32-bit Signed Integer

204 00CB Heat energy A2 2 Value 32-bit Signed Integer

206 00CD Volume V1 2 Value 32-bit Signed Integer

208 00CF Volume V2 2 Value 32-bit Signed Integer

210 00D1 Pulse input A1 2 Value 32-bit Signed Integer

212 00D3 Pulse input B1 2 Value 32-bit Signed Integer

214 00D5 Pulse input A2 2 Value 32-bit Signed Integer

216 00D7 Pulse input B2 2 Value 32-bit Signed Integer

218 00D9 COP 2 Value 32-bit Signed Integer

220 00DB t5 limit 2 Value 32-bit Signed Integer

222 00DD Power Input B1 2 Value 32-bit Signed Integer

224 00DF QP average time 2 Value 32-bit Signed Integer

226 00E1 Tariff limit TL2 2 Value 32-bit Signed Integer



232 00E7 Mass M1 2 Value 32-bit Signed Integer

234 00E9 Mass M2 2 Value 32-bit Signed Integer

236 00EB Flow V1 actual 1 Factor 16-bit Signed Integer

237 00EC Flow V2 actual 1 Factor 16-bit Signed Integer

238 00ED Actual Power 1 Factor 16-bit Signed Integer

239 00EE t1 actual 1 Factor 16-bit Signed Integer

240 00EF t2 actual 1 Factor 16-bit Signed Integer

241 00F0 t3 actual 1 Factor 16-bit Signed Integer

242 00F1 t4 actual 1 Factor 16-bit Signed Integer

243 00F2 t1-t2 diff. temp. 1 Factor 16-bit Signed Integer

244 00F3 P1 actual 1 Factor 16-bit Signed Integer


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Modbus register


Contents Data type

245 00F4 P2 actual 1 Factor 16-bit Signed Integer

246 00F5 Heat energy E1 1 Factor 16-bit Signed Integer

247 00F6 Heat energy E2 1 Factor 16-bit Signed Integer

248 00F7 Cooling energy E3 1 Factor 16-bit Signed Integer

249 00F8 Inlet energy E4 1 Factor 16-bit Signed Integer

250 00F9 Outlet energy E5 1 Factor 16-bit Signed Integer

251 00FA Tap water energy E6 1 Factor 16-bit Signed Integer

252 00FB Tap water energy E7 1 Factor 16-bit Signed Integer

253 00FC Energy E8 1 Factor 16-bit Signed Integer

254 00FD Energy E9 1 Factor 16-bit Signed Integer

255 00FE Energy E10 1 Factor 16-bit Signed Integer

256 00FF Energy E11 1 Factor 16-bit Signed Integer

257 0100 Tariff TA2 1 Factor 16-bit Signed Integer



260 0103 Heat energy A1 1 Factor 16-bit Signed Integer

261 0104 Heat energy A2 1 Factor 16-bit Signed Integer

262 0105 Volume V1 1 Factor 16-bit Signed Integer

263 0106 Volume V2 1 Factor 16-bit Signed Integer

264 0107 Pulse input A1 1 Factor 16-bit Signed Integer

265 0108 Pulse input B1 1 Factor 16-bit Signed Integer

266 0109 Pulse input A2 1 Factor 16-bit Signed Integer

267 010A Pulse input B2 1 Factor 16-bit Signed Integer

268 010B COP 1 Factor 16-bit Signed Integer

269 010C t5 limit 1 Factor 16-bit Signed Integer

270 010D Power Input B1 1 Factor 16-bit Signed Integer

271 010E QP average time 1 Factor 16-bit Signed Integer

272 010F Tariff limit TL2 1 Factor 16-bit Signed Integer

273 0110 Tariff limit TL3 1 Factor 16-bit Signed Integer

274 0111 Tariff limit TL4 1 Factor 16-bit Signed Integer

275 0112 Mass M1 1 Factor 16-bit Signed Integer

276 0113 Mass M2 1 Factor 16-bit Signed Integer


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Explanation of table columns:

Modbus register The Modbus register count starts at number 1 and corresponds to memory address 0. A Modbus register is 16 bits, thus a 32-bit value requires two successive Modbus registers.

Memory address (Hex) The memory address is the location of the register in the module’s memory.

Description The name of the register variable.

Contents– Value The address holds the value of the variable.– Factor The address holds a multiplication factor (10x) to scale the 32-bit signed values.

The final result = 10factor * 32-bit signed value.

– Unit The address holds the variable’s SI units. The value of units must be translated according to this table:

Decimal value Hex value SI unit of measure

0 0x0000 No unit1 0x0001 Wh2 0x0002 kWh3 0x0003 MWh4 0x0004 GWh5 0x0005 j6 0x0006 kj7 0x0007 Mj8 0x0008 Gj21 0x0015 W22 0x0016 kW23 0X0017 MW24 0x0018 GW37 0x0025 �C38 0x0026 Kelvin39 0x0027 l34 0x0028 m³

Decimal value Hex value SI unit of measure41 0x0029 l/h

42 0x002A M³/h43 0x002B M³ *C44 0x002C ton47 0x002F hh:mm:ss48 0x0030 yy:mm:dd49 0x0031 yyyy:mm:dd55 0x0037 M³x1058 0x003A Minutes85 0x0055 %RH86 0x0056 %O287 0x0057 m/s88 0x0058 kJ/kg89 0x0059 pH90 0x005A g/kg89 0x0059 pH90 0x005A g/kg

Data typeThe data type indicates how data is stored in the Modbus registers and is important information in order to make a correct reading of the value. If a register does not exist in the actual meter, the corresponding Modbus register will contain an invalid value.

Numerical format Minimum value Maximum value Invalid value16-bit integer 0 65535 0x000032-bit integer 0 4294967295 0xFFFFFFFF32-bit signed integer -2147483648 2147483647 0x7FFFFFFF32-bit IEEE Float ±1.17×10−38 ±3.4×1038 0x4F800000


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Technical specifications

Physical Usage Only suitable for installation in MULTICAL® 603

CommunicationProtocol IPV4

Ethernet 10/100 Mbit

SupplyPower supply MULTICAL® with 230 VAC High-Power supply

MULTICAL® with 24 VAC High-Power supply

EnvironmentOperational temperature 5 °C – 55 °C

Humidity 25 – 85 % RH non-condensing

ProgrammingConfiguration and firmware update Via optical read-out head or via the multi-pole connector on the module using

METERTOOL HCW

Markings/approvals

CE approval

Measuring instruments EN 1434

Modbus over Serial Line, Specification and Implementation Guide V1.02

Additional documentation

Modbus conformance certificate, issued by MBS GmbH

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Ordering

Description Order no.

Modbus/KMP TCP/IP module + 2 pulse inputs HC-003-82

USB configuration cable for H/C modules 6699-035

Optical read-out head w/USB 6699-099

METERTOOL HCW www.kamstrup.com

Configuration

XX Y Y ZZZ

Product type of module

Modbus/KMP TCP/IP + 2 pulse inputs (In-A, In-B) 82 0 1 100

Protocol selectionModbus TCP 0 1Kamstrup KMP 0 2

Data content configurationDefault datagram 100Reserved ZZZ

Additional configurations

IP assignment Selection of static or dynamic (DHCP) IP addressing

IP address The static IP address

Subnet Subnet mask, typically set to 255.255.255.0

Gateway IP address, typically the one assigned to the router

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Displayed information

Module information can be read by selecting TECH-loop on the MULTICAL® display.

Module in module slot 1: select menu 2-101 in TECH-loop

Module in module slot 2: select menu 2-201 in TECH-loop

Menu Menu index

Information Display example

2-x01 31 Module type and configuration

2-x01-1 32 Module firmware and revision

2-x01-2 33 Module serial number

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2-x01-4 47 Link information *

2-x01-5 49 Module status **

* Link information has 4 bits of information.

Bit number Value when bit set Meaning Value when bit not set Meaning3 8 100 Mbit 0 10 Mbit2 4 Full duplex 0 Half duplex1 2 Auto-Negotiation complete 0 Auto-Negotiation in progress0 1 Link 0 No link

A value of 15 means: 100 Mbit, Full Duplex, Auto-Negotiation Completed and Link

** Module status has 3 bits of information:

Bit number Value when bit set Meaning Value when bit not set Meaning2 4 No link 0 Link1 2 Internal error 0 OK0 1 No configuration 0 OK

If module status shows other values than 0 or 4, the module must be sent in for repair.

Displayed information

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Kamstrup A/SIndustrivej 28, StillingDK-8660 SkanderborgT: +45 89 93 10 00F: +45 89 93 10 [email protected]

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